Received: 1 July 2019
Accepted: 2 March 2020
First Online: 19 March 2020
Ethics approval and consent to participate
: The present study has been approved by the National Ethics Committee for Health Research of Burkina Faso.CERS20186065, 6 June 2018, retrospectively registered. Free and written consent was obtained from all participants of this study. The anonymity and confidentiality of the patients were respected as stated in the IRB (Institutional Review Board) protocol.
: Not Applicable.
: The authors declare that they have no competing interests.